<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<form action="/user/save" method="post">
    id:<input name="id" type="text"/><br>
    name:<input name="name" type="text"/><br>
    age:<input name="age" type="text"/><br>
    <input type="submit" value="submit"/><br>
</form>
</body>
</html>